Enable debugfs for visl

configname: CONFIG_VISL_DEBUGFS

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>Media drivers
└─>V4L test drivers
└─>Enable debugfs for visl
In linux kernel since version 6.2 (release Date: 2023-02-19)  
Choose Y to dump the bitstream buffers through debugfs.
When in doubt, say N.